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Appendix C. Supplemental information about the Ubuntu 
operating system

In limited countries or regions, Lenovo offers customers an option to order computers with the preinstalled 
Ubuntu

® 

operating system.

If the Ubuntu operating system is available on your computer, read the following information before you use 
the computer. Ignore any information related to Windows-based programs, utilities, and Lenovo preinstalled 
applications in this documentation.

Access the Lenovo Limited Warranty

This product is covered by the terms of the Lenovo Limited Warranty (LLW), version L505-0010-02 08/2011. 
You can view the LLW in a number of languages from the following Web site. Read the Lenovo Limited 
Warranty at: 

https://www.lenovo.com/warranty/llw_02

The LLW also is preinstalled on the computer. To access the LLW, go to the following directory:

/usr/share/doc/lenovo-doc

If you cannot view the LLW either from the Web site or from your computer, contact your local Lenovo office 
or reseller to obtain a printed version of the LLW.

Access the Ubuntu help system

The Ubuntu help system provides information about how to use the Ubuntu operating system. To access the 
help system from Home Screen, move your pointer to the Launch bar, and then click the 

Help 

icon. If you 

cannot find the 

Help 

icon from the Launch bar, click the 

Search 

icon on the bottom left, and type Help to 

search it.

To learn more about the Ubuntu operating system, go to: 

https://www.ubuntu.com

Get support information

If you need help, service, technical assistance, or more information about the Ubuntu operating system or 
other applications, contact the provider of the Ubuntu operating system or the provider of the application. If 
you need the service and support for hardware components shipped with your computer, contact Lenovo. 
For more information about how to contact Lenovo, refer to the 

User Guide 

and 

Safety and Warranty Guide

.

To access the latest 

User Guide 

and 

Safety and Warranty Guide

, go to: 

https://pcsupport.lenovo.com

© Copyright Lenovo 2020

83

Summary of Contents for 11GJ0028US

Page 1: ...M70c User Guide ...

Page 2: ...rtant safety information on page 65 Safety and Warranty Guide Setup Guide First Edition May 2020 Copyright Lenovo 2020 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ...9 Use the cover presence switch 20 Use Intel BIOS guard 20 Use Smart USB Protection 20 Chapter 5 UEFI BIOS 23 What is UEFI BIOS 23 Enter the BIOS menu 23 Navigate in the BIOS interface 23 Change the display language of UEFI BIOS 23 Set the system date and time 24 Change the startup sequence 24 Enable or disable the configuration change detection feature 24 Enable or disable the automatic power on ...

Page 4: ...61 Self help resources 61 Call Lenovo 62 Before you contact Lenovo 62 Lenovo Customer Support Center 62 Purchase additional services 63 Appendix A Important safety information 65 Appendix B Accessibility and ergonomic information 79 Appendix C Supplemental information about the Ubuntu operating system 83 Appendix D Compliance and TCO Certified information 85 Appendix E Notices and trademarks 97 ii...

Page 5: ...might not be applicable to your computer Documentation content is subject to change without notice Lenovo makes constant improvements on the documentation of your computer including this User Guide To get the latest documentation go to https pcsupport lenovo com Microsoft makes periodic feature changes to the Windows operating system through Windows Update As a result some information in this docu...

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Page 7: ...computer open the Start menu click Power and then select Shut down The indicator in the power button shows the system status of your computer Blinking for three times The computer is initially connected to power On The computer is on Off The computer is off or in hibernation mode Blinking rapidly The computer is entering sleep or hibernation mode Blinking slowly The computer is in sleep mode 5 Sto...

Page 8: ...rotection for recordable media CPRM feature for the SD card 7 Microphone connector Connect a microphone 8 Headset connector Connect a headset or headphones to your computer 9 USB 3 2 connectors Gen 1 Connect USB compatible devices such as a USB keyboard USB mouse USB storage device or USB printer 10 ThinkCentre LED This indicator is on when the computer is on for selected models 2 M70c User Guide ...

Page 9: ... signals from the computer to another audio or video device such as a high performance monitor 3 Serial connector Connect an external modem a serial printer or other devices that use a serial connector 4 VGA out connector Send video signals from the computer to another video device such as a monitor 5 USB 2 0 connectors Connect USB compatible devices such as a USB keyboard USB mouse USB storage de...

Page 10: ...devices such as the keyboard and the mouse to your computer through a smart cable clip 12 Serial connector Connect an external modem a serial printer or other devices that use a serial connector 13 PCI Express card area Install PCI Express cards into this area to improve the operating performance of the computer Depending on the computer model the connectors in this area vary for selected models 4...

Page 11: ... the Start button and then click System Memory Double data rate 4 DDR4 small outline dual in line memory module UDIMM Storage device 2 5 inch hard disk drive 3 5 inch hard disk drive M 2 solid state drive Intel Optane memory To view the storage drive capacity of your computer right click the Start button to open the Start context menu and then click Disk Management Note The storage drive capacity ...

Page 12: ...te Depending on many factors such as the processing capability of the host and peripheral devices file attributes and other factors related to system configuration and operating environments the actual transfer rate using the various USB connectors on this device will vary and will be slower than the data rate listed below for each corresponding device USB device Data rate Gbit s 3 2 Gen 1 3 1 Gen...

Page 13: ...s of the Administrator type With an Administrator account you can create additional user accounts or change account types by doing the following 1 Open the Start menu and select Settings Accounts Family other users 2 Follow the on screen instructions Microsoft account You can also log in to the Windows operating system with a Microsoft account To create a Microsoft account go to the Microsoft sign...

Page 14: ...uter and the Web 8 Task View Display all opened apps and switch among them 9 Windows notification area Display notifications and status of some features 10 Battery status icon Display power status and change battery or power settings When your computer is not connected to ac power the icon changes to 11 Network icon Connect to an available wireless network and display the network status When conne...

Page 15: ...indows notification area A list of available wireless networks is displayed 2 Select a network available for connection Provide required information if needed Use Lenovo Vantage The preinstalled Lenovo Vantage is a customized one stop solution to help you maintain your computer with automated updates and fixes configure hardware settings and get personalized support Access Lenovo Vantage Open the ...

Page 16: ...presentations or expand your workspace If your computer cannot detect the external display right click an empty area of the desktop and then click Display settings Detect Connect to a wireless display To use a wireless display ensure that both your computer and the external display support the Miracast feature Open the Start menu and then click Settings Devices Bluetooth other devices Add Bluetoot...

Page 17: ...y that you want to configure 3 Change display settings of your preference You can change the settings for both the computer display and the external display For example you can define which one is the main display and which one is the secondary display You also can change the resolution and orientation Note If you set a higher resolution for the computer display than the external display only part...

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Page 19: ...waken the computer from Sleep mode press any key on your keyboard To reset the power plan to achieve the best balance between performance and power saving 1 Go to Control Panel and view by large icons or small icons 2 Click Power Options and then choose or customize a power plan of your preference Transfer data Quickly share your files using the built in Bluetooth technology among devices with the...

Page 20: ...tton Use the emergency eject only in an emergency Record a disc 1 Insert a recordable disc into the optical drive that supports recording 2 Do one of the following Open the Start menu and then click Settings Devices AutoPlay Select or turn on Use AutoPlay for all media and devices Open Windows Media Player Double click the ISO file 3 Follow the on screen instructions Use a media card for selected ...

Page 21: ...to lock through the dents in the smart cable clip 3 Press the clip 2 into the cable lock slot 3 until it snaps into position Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer Options include memory modules storage devices network cards power adapters keyboards mice and more To shop at Lenovo go to https www lenovo com acc...

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Page 23: ...ents or warranties about the function quality or performance of the locking device and security feature You can purchase computer locks from Lenovo Padlock Locking the computer cover through a padlock prevents unauthorized access to the inside of your computer Kensington style cable lock Lock your computer to a desk table or other fixtures through a Kensington style cable lock Copyright Lenovo 202...

Page 24: ...revents unauthorized access to the data on the storage drive When a hard disk password is set you are prompted to enter a valid password each time you try to access the storage drive Note After you set a hard disk password your data on the storage drive is protected even if the storage drive is removed from one computer and installed in another System management password for selected models You ca...

Page 25: ... 1 Go to Control Panel and view by large icons or small icons 2 Click Windows Defender Firewall and then follow the on screen instructions Use antivirus programs The computer is preinstalled with an antivirus program to help you guard against detect and eliminate viruses Lenovo provides a full version of antivirus software on the computer with a free 30 day subscription After 30 days you must rene...

Page 26: ...nable the cover presence switch connector on the system board 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 Select Security Cover Tamper Detected and press Enter 3 Select Enabled and press Enter 4 Press F10 or Fn F10 to save the changes and exit When the cover presence switch connector on the system board is enabled if the cover presence switch detects that the compu...

Page 27: ... computer When the logo screen is displayed press F1 or Fn F1 2 Select Security Smart USB Protection and press Enter 3 Select the desired setting and press Enter 4 Press F10 or Fn F10 to save the changes and exit Chapter 4 Secure your computer and information 21 ...

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Page 29: ...not change the system configurations that are protected by passwords Navigate in the BIOS interface Attention The default configurations are already optimized for you in boldface Improper change of the configurations might cause unexpected results Depending on your keyboard you can navigate in the BIOS interface by pressing the following keys or combinations of Fn and the following keys F1 or Fn F...

Page 30: ... temporary startup device Note Not all discs and storage drives are bootable 1 Depending on the type of the storage device do one of the following If the storage device is internal go to step 2 If the storage device is a disc ensure that the computer is on or turn on the computer Then insert the disc into the optical drive If the storage device is an external device other than a disc connect the s...

Page 31: ...electricity when the computer is off or in sleep mode To enable or disable the ErP LPS compliance mode 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 Select Power Enhanced Power Saving Mode and press Enter 3 Depending on whether you select Enabled or Disabled do one of the following If you select Enabled press Enter Then select Power Automatic Power On and press Enter...

Page 32: ... the compatibility list for the Windows version For details go to https support lenovo com us en solutions windows support To change the BIOS settings 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 From the main interface select Security Secure Boot and press Enter 3 Depending on the operating system to be installed do one of the following To install the Windows 10 64...

Page 33: ...ave been removed Then reconnect the power cords for the computer and the monitor to electrical outlets 11 Turn on the computer and the monitor When the logo screen is displayed press F1 or Fn F1 12 To prevent data loss ensure that BIOS settings are restored to an earlier point For BIOS configurations see Chapter 5 UEFI BIOS on page 23 Clear CMOS 1 Remove all media from the drives and turn off all ...

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Page 35: ...rectly c All connected devices that require ac power are connected to properly grounded and working electrical outlets d All connected devices are enabled in UEFI BIOS 2 Use an antivirus program if any to see if the computer has been infected by a virus If the program detects a virus remove the virus 3 See Chapter 6 Troubleshooting diagnostics and recovery on page 29 to resolve the problem you are...

Page 36: ...t up from the correct storage drive or fails to start up Ensure that all storage drive signal cables and power cables are connected correctly Ensure that the storage drive the computer starts up from is listed as the first startup device in UEFI BIOS In rare cases the storage drive with the operating system might get corrupted or damaged In such cases you might need to replace the storage drive If...

Page 37: ...ts the audio function built into the system board is disabled Therefore you must use the audio connectors on the audio adapter Ensure that the program you are running is designed for use in the Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature The program must be configured to use SoundBlaster Pro or SoundBlaster emulatio...

Page 38: ... wrong duplex mode might degrade performance cause data loss or result in lost connections When a Gigabit Ethernet model computer is used at a speed of 1000 Mbps the Ethernet LAN connection fails or errors occur Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE T hub switch not 100 BASE X The Wake On LAN WOL feature does not work Enable the Wake On LAN feat...

Page 39: ... then click Enable device 4 Expand Network adapters to display all network devices Right click each Bluetooth device and then click Enable device Turn on the Bluetooth radio 1 Open the Start menu 2 Click Settings Devices Bluetooth other devices 3 Turn on the Bluetooth switch to enable the Bluetooth feature Update or reinstall the Bluetooth driver Sound does not come from the Bluetooth headset or h...

Page 40: ...e 1 Open the Start menu 2 Click Windows System File Explorer This PC 3 Right click your C drive and then click Properties 4 Check the amount of free space and then click Disk Cleanup 5 A list of unnecessary file categories is displayed Select the category you want to delete and then click OK Disable some Windows features or remove some unnecessary programs 1 Go to Control Panel and view by large i...

Page 41: ...aged Try inserting another disc that you know works If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into the other drive In some cases only one of the drives is connected to the audio subsystem A bootable recovery medium such as the Product Recovery CD cannot be used to start your computer Ensure that the CD or DVD drive is set as the to...

Page 42: ...cord connect the power cord to a grounded electrical outlet Turn on the serial device and keep the device online Install any programs supplied with the serial device Refer to the documentation that comes with the serial device for more information If you added one serial connector adapter ensure that the adapter is installed correctly USB device problems Problem Solution A USB device cannot be acc...

Page 43: ... you read and follow the on screen recovery instructions The data on your computer might be deleted during the recovery process To avoid data loss make a backup copy of all the data that you want to keep Restore system files and settings to an earlier point 1 Go to Control Panel and view by large icons or small icons 2 Click Recovery Open System Restore Then follow the on screen instructions Resto...

Page 44: ...rt phone numbers for your country or region go to https pcsupport lenovo com supportphonelist Create a recovery USB drive Attention The creation process deletes anything stored on the USB drive To avoid data loss make a backup copy of all the data that you want to keep 1 Ensure that your computer is connected to ac power 2 Prepare a USB drive with capacity of at least 16 GB The actual USB capacity...

Page 45: ...able update packages If the latest UEFI BIOS update package is available follow the on screen instructions to download and install the package From the Lenovo Support Web site Go to https pcsupport lenovo com and select the entry for your computer Then follow the on screen instructions to download and install necessary drivers and software From Windows Update Note The device drivers provided by Wi...

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Page 47: ...h your product and are available from Lenovo at any time upon request You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty 30 days of y...

Page 48: ...mportant safety information on page 65 and print the following instructions Replacement procedure 1 Remove any media from the drives and turn off all connected devices and the computer 2 Disconnect all power cords from electrical outlets and disconnect all cables from the computer 3 Remove the vertical stand 42 M70c User Guide ...

Page 49: ...mputer and wait several minutes until the computer is cool Replacement procedure 1 Remove any media from the drives and turn off all connected devices and the computer 2 Disconnect all power cords from electrical outlets and disconnect all cables from the computer 3 Unlock any locking device that secures the computer cover 4 Remove the vertical stand if any See Vertical stand on page 42 5 Gently l...

Page 50: ...all the removed parts Then reconnect the power cord and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Front bezel Prerequisite Before you start read Appendix A Important safety information on page 65 and print the following instructions 44 M70c User Guide ...

Page 51: ...l 3 Install the front bezel 4 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer PCI Express card Prerequisite Before you start read Appendix A Important safety information on page 65 and print the following instructions Chapter 7 CRU replacement 45 ...

Page 52: ...d according to your model For computers with a pre assembled PCI Express connector cable do the following a Disconnect the PCI Express connector cable b Remove the PCI Express connector cable c Install the PCI Express card For computers with a pre assembled PCI Express card do the following 46 M70c User Guide ...

Page 53: ...uter Optical drive Prerequisite Before you start read Appendix A Important safety information on page 65 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 43 2 Remove the front bezel See Front bezel on page 44 3 Disconnect the signal and power cable from the optical drive Chapter 7 CRU replacement 47 ...

Page 54: ...4 Remove the optical drive 5 Remove the optical drive bracket 6 Install the optical drive bracket 48 M70c User Guide ...

Page 55: ...lacement Before replacing the internal storage drive make a backup copy of all the data that you want to keep Do not touch the contact edge of the internal storage drive Otherwise the internal storage drive might get damaged Do not apply pressure to the internal storage drive Do not make the internal storage drive subject to physical shocks or vibration Put the internal storage drive on a soft mat...

Page 56: ...a Remove the screw that secures the hard disk drive bracket b Remove the 3 5 inch hard disk drive and the bracket c Remove the 3 5 inch hard disk drive from the bracket 50 M70c User Guide ...

Page 57: ...d Install the 3 5 inch hard disk drive into the bracket e Install the 3 5 inch hard disk drive and the bracket f Install the screw to secure the bracket Chapter 7 CRU replacement 51 ...

Page 58: ... For computers with the 2 5 inch hard disk drive do the following a Remove the screw that secures the hard disk drive bracket b Remove the 2 5 inch hard disk drive and the bracket 52 M70c User Guide ...

Page 59: ...c Remove the 2 5 inch hard disk drive from the bracket d Install the 2 5 inch hard disk drive into the bracket e Install the 2 5 inch hard disk drive and the bracket Chapter 7 CRU replacement 53 ...

Page 60: ...nd all disconnected cables to the computer Memory module Prerequisite Before you start read Appendix A Important safety information on page 65 and print the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration Replacement procedure 1 Remove the computer cover See Computer cover on page 43 54 M70c User Guide ...

Page 61: ...ring the installation ensure that you align the memory module to the slot and press down on both ends until the latches are fully engaged with a click 7 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer Coin cell battery Prerequisite Before you start read Appendix A Important safety information on page 65 and print the following instructions ...

Page 62: ... fails the date and time information is lost An error message is displayed when you turn on the computer Replacement procedure 1 Remove the computer cover See Computer cover on page 43 2 Remove the front bezel See Front bezel on page 44 3 Remove the optical drive See Optical drive on page 47 4 Remove the hard disk drive See Hard disk drive on page 49 5 Remove the coin cell battery 6 Install the co...

Page 63: ...designed for frequent changes or replacement Before replacing the internal storage drive make a backup copy of all the data that you want to keep Do not touch the contact edge of the internal storage drive Otherwise the internal storage drive might get damaged Do not apply pressure to the internal storage drive Do not make the internal storage drive subject to physical shocks or vibration Put the ...

Page 64: ...a Remove the M 2 solid state drive b Install the M 2 solid state drive For computers with the heat sink for the M 2 solid state drive do the following depending on the computer model 58 M70c User Guide ...

Page 65: ...a Remove the heat sink with the bracket b Remove the heat sink c Remove the M 2 solid state drive Chapter 7 CRU replacement 59 ...

Page 66: ... M 2 solid state drive e Install the heat sink f Install the heat sink with the bracket 6 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 60 M70c User Guide ...

Page 67: ...roduct documentation Safety and Warranty Guide Setup Guide This User Guide Regulatory Notice Go to https pcsupport lenovo com Then follow the on screen instructions to filter out the documentation you want Lenovo Support Web site with the latest support information of the following Drivers and software Diagnostic solutions Product and service warranty Product and parts details Knowledge base and f...

Page 68: ...e following illustration shows where to find the machine type and serial number of your computer Lenovo Customer Support Center During the warranty period you can call Lenovo Customer Support Center for help Telephone numbers For a list of the Lenovo Support phone numbers for your country or region go to https pcsupport lenovo com supportphonelist Note Phone numbers are subject to change without n...

Page 69: ...warranted parts Identification of software problem sources Configuration of UEFI BIOS as part of an installation or upgrade Changes modifications or upgrades to device drivers Installation and maintenance of network operating systems NOS Installation and maintenance of programs For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product see Warranty infor...

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Page 71: ...en when the computer is unplugged so the battery safety information applies to all computer products Conditions that require immediate action Products can become damaged due to misuse or neglect Some product damage is serious enough that the product should not be used again until it has been inspected and if necessary repaired by an authorized servicer As with any electronic device pay close atten...

Page 72: ...laceable Units or CRUs Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace CRUs You must closely follow all instructions when installing or replacing parts The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero Before you remove the covers from a product equipped with a power cord alw...

Page 73: ...nals and or the connector terminals on a power adapter which can eventually result in overheating Ensure that all power cord connectors are securely and completely plugged into receptacles Do not use any power adapter that shows corrosion at the ac input pins or shows signs of overheating such as deformed plastic at the ac input pins or anywhere on the power adapter Do not use any power cords wher...

Page 74: ...s intended to be operated in Denmark Use a cord set with a grounding type attachment plug The cord set should have the appropriate safety approvals for the country in which the equipment will be installed For units intended to be operated in Norway Sweden Finland Use a cord set with a two prong attachment plug The cord set should have the appropriate safety approvals for the country in which the e...

Page 75: ...Consult an electrician for more information if you have questions about power loads and branch circuit ratings Be sure that the power outlet you are using is properly wired easily accessible and located close to the equipment Do not fully extend power cords in a way that will stress the cords Be sure that the power outlet provides the correct voltage and current for the product you are installing ...

Page 76: ...e any part of the body seek medical care immediately Do not Throw or immerse into water Heat to more than 100 C 212 F Repair or disassemble Leave in an extremely low air pressure environment Leave in an extremely high temperature environment Crush puncture cut or incinerate Dispose of the battery as required by local ordinances or regulations The following statement applies to users in the state o...

Page 77: ...er Keep the cover closed whenever the computer is plugged in Regularly inspect the outside of the computer for dust accumulation Remove dust from vents and any perforations in the bezel More frequent cleanings might be required for computers in dusty or high traffic areas Do not restrict or block any ventilation openings Do not store or operate your computer inside furniture as this might increase...

Page 78: ... cables have been connected to the computer DANGER During electrical storms do not perform any replacement and do not connect the telephone cable to or disconnect it from the telephone outlet on the wall Laser safety information CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of...

Page 79: ...our computer has both a headphone connector and an audio line out connector always use the headphone connector for earphones headphones or a headset However the headphone connector does not support the microphone of the headset If your computer has both a headset connector and an audio line out connector always use the headset connector for earphones headphones or a headset Excessive sound pressur...

Page 80: ...DANGER Plastic bags can be dangerous Keep plastic bags away from babies and children to avoid danger of suffocation Glass parts notice CAUTION Some parts of your product may be made of glass This glass could break if the product is dropped on a hard surface or receives a substantial impact If glass breaks do not touch or attempt to remove it Stop using your product until the glass is replaced by t...

Page 81: ... tips on how to minimize visual fatigue please go to https www lenovo com us en safecomp to visit Minimizing Visual Fatigue Tip over hazard prevention notice The computer may cause harm to children if it is not located in an appropriate place Follow the tips below to protect children from harm caused by the computer tipping over Place the computers or monitors on sturdy furniture with a low base o...

Page 82: ...tective packaging and install the part without setting it down When this is not possible place the static protective packaging on a smooth level surface and place the part on it Do not place the part on the computer cover or other metal surface Operating environment Maximum altitude without pressurization Operating From 15 2 m 50 ft to 3048 m 10 000 ft Storage From 15 2 m 50 ft to 10 668 m 35 000 ...

Page 83: ...or any other actions that might have taken place A log book can help you or a Lenovo technician determine the cause of a problem Back up your data on the storage drive regularly You can restore the storage drive from a backup Create a recovery medium as early as possible You can use the recovery medium to recover your operating system even if Windows fails to start up Get the most up to date opera...

Page 84: ... from beneath the keys you can use a camera blower with a brush or use cool air from a hair dryer Clean the computer screen Scratches oil dust chemicals and ultraviolet light can affect the performance of your computer screen Use a dry soft lint free cloth to wipe the screen gently If you see a scratchlike mark on your screen it might be a stain Wipe or dust the stain gently with a soft dry cloth ...

Page 85: ...k Turn on or turn off Mouse Keys Left Alt Left Shift PrtScn or PrtSc Turn on or turn off High Contrast For more information go to https windows microsoft com and then search using any of the following keywords keyboard shortcuts key combinations shortcut keys Ease of Access Center Ease of Access Center on the Windows operating system enables you to configure your computers to suit their physical a...

Page 86: ...e and send e mails To use Speech Recognition 1 Go to Control Panel and view by Category 2 Click Ease of Access Speech Recognition 3 Follow the on screen instructions Screen reader technologies Screen reader technologies are primarily focused on software program interfaces help systems and various online documents For additional information about screen readers see the following Use PDFs with scree...

Page 87: ...ough a screen reader Each image in the documentation also includes adequate alternative text so that visually impaired users can understand the image when they use a screen reader Ergonomic information Good ergonomic practice is important to get the most from your personal computer and to avoid discomfort Arrange your workplace and the equipment you use to suit your individual needs and the kind o...

Page 88: ...ep your head and neck in a comfortable and neutral vertical or upright position Chair Use a chair that gives you good back support and seat height adjustment Use chair adjustments to best suit your comfort posture Arm and hand position If available use chair arm rests or an area on your working surface to provide weight support for your arms Keep your forearms wrists and hands in a relaxed and neu...

Page 89: ...eb site or from your computer contact your local Lenovo office or reseller to obtain a printed version of the LLW Access the Ubuntu help system The Ubuntu help system provides information about how to use the Ubuntu operating system To access the help system from Home Screen move your pointer to the Launch bar and then click the Help icon If you cannot find the Help icon from the Launch bar click ...

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Page 91: ...modification of the product including the installation of option cards from other manufacturers This product has been tested and found to comply with the limits for Class B equipment according to European Standards harmonized in the Directives in compliance The limits for Class B equipment were derived for typical residential environments to provide reasonable protection against interference with ...

Page 92: ...n about Lenovo products Recycling and environmental information Lenovo encourages owners of information technology IT equipment to responsibly recycle their equipment when it is no longer needed Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products For information about recycling Lenovo products go to https www lenovo com us en compliance recycl...

Page 93: ...posed of by an industrial waste disposal contractor certified by a local government In accordance with the Law for Promotion of Effective Utilization of Resources Lenovo Japan provides through its PC Collecting and Recycling Services for the collecting reuse and recycling of disused computers and monitors For details visit the Lenovo Web site at https www lenovo com us en social_responsibility sus...

Page 94: ...aimed upon end of life per this Directive In accordance with the European Directive 2006 66 EC batteries and accumulators are labeled to indicate that they are to be collected separately and recycled at end of life The label on the battery may also include a chemical symbol for the metal concerned in the battery Pb for lead Hg for mercury and Cd for cadmium Users of batteries and accumulators must...

Page 95: ... for Taiwan Restriction of Hazardous Substances RoHS Directive of countries and regions The latest environmental information about Lenovo products is available at https www lenovo com us en compliance eco declaration European Union RoHS This Lenovo product with included parts cables cords and so on meets the requirements of Directive 2011 65 EU on the restriction of the use of certain hazardous su...

Page 96: ...Ukraine RoHS India RoHS RoHS compliant as per E Waste Management Rules Mainland China RoHS 90 M70c User Guide ...

Page 97: ...formation refers to ThinkCentre M70c machine types 11GJ 11GK 11GL and 11GM This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful Appendix D Compliance and TCO Certified information 91 ...

Page 98: ...eration is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Responsible Party Lenovo United States Incorporated 7001 Development Drive Morrisville NC 27560 Email FCC lenovo com Industry Canada compliance statement CAN ICES 3 B NMB 3 B European Un...

Page 99: ...rträglichkeit von Betriebsmitteln EMVG vom 20 Juli 2007 früher Gesetz über die elektromagnetische Verträglichkeit von Geräten bzw der EU Richtlinie 2014 30 EU der EU Richtlinie 2014 53 EU Artikel 3 1b für Geräte der Klasse B Dieses Gerät ist berechtigt in Übereinstimmung mit dem Deutschen EMVG das EG Konformitätszeichen CE zu führen Verantwortlich für die Konformitätserklärung nach Paragraf 5 des ...

Page 100: ...ited States Export Administration Regulations EAR and has an Export Classification Control Number ECCN of 5A992 c It can be re exported except to any of the embargoed countries in the EAR E1 country list Lenovo product service information for Taiwan Taiwan precautionary vision statement 警語 使用過度恐傷害視力 注意事項 使用30分鐘請休息10分鐘 未滿2歲幼兒不看螢幕 2歲以上每天看螢幕不要超過1小時 Keyboard and mouse compliance statement for Taiwan E...

Page 101: ...oduct the product packaging or displayed electronically on the E label screen or the power settings interface By using ENERGY STAR compliant products and taking advantage of the power management features of your computer you reduce the consumption of electricity Reduced electrical consumption contributes to potential financial savings a cleaner environment and the reduction of greenhouse gas emiss...

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Page 103: ...ht to improve and or modify the products and software programs described in the manuals included with your computer and the content of the manual at any time without additional notice The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase For the configura...

Page 104: ... Linux agreement s which may accompany software included with this product Lenovo may update this document at any time without notice For the latest information or any questions or comments contact or visit the Lenovo Web site https pcsupport lenovo com Trademarks LENOVO LENOVO logo THINKCENTRE and THINKCENTRE logo are trademarks of Lenovo Intel and Optane are trademarks of Intel Corporation or it...

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